1221566354

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{1163}}^1$

素因数の和:1526

約数の個数: 32

約数和(自身を含む): 1954402560

約数和(自身を除く): 732836206

約数列:

[1, 2, 19, 38, 131, 211, 262, 422, 1163, 2326, 2489, 4009, 4978, 8018, 22097, 27641, 44194, 55282, 152353, 245393, 304706, 490786, 525179, 1050358, 2894707, 4662467, 5789414, 9324934, 32146483, 64292966, 610783177, 1221566354]

約数ペア:

[(1, 1221566354), (2, 610783177), (19, 64292966), (38, 32146483), (131, 9324934), (211, 5789414), (262, 4662467), (422, 2894707), (1163, 1050358), (2326, 525179), (2489, 490786), (4009, 304706), (4978, 245393), (8018, 152353), (22097, 55282), (27641, 44194)]